Masonry Magazine February 1988 Page. 21
strong soap solution in hot water
# 1.
Trisodium phosphate 1 lb
Water 1 gal
G
Dissolve solid chemicals in hot water
# Lubricating oil or grease that has penetrated
Dark
# 2.
Benzene
Talc, lime or whiting
N-G-A
G
Dissolve solid chemicals in water
OR Amyl acetate (for small areas only)
Asbestos fiber
D-D-D-B
D-D-D-D.
Mortar smears
Gray
O
H
Apply liquid to surface by brush
Paint, at least 3 days old
Trisodium phosphate 2 lb
Water 1 gal
Varies
H-P
H
Apply liquid to surface by brush at 5 to 10 minute intervals until thoroughly soaked
OR Commercial paint remover
freshly spilled
Same
S-R-H-P
Perspiration stains from hands, and hair oil stains
Brown or yellow
Trichloroethylene
Talc
T-D-D-D-D.
J
Allow stain to disappear by aging
Plant growth, mold and moss
Green, brown or black
Ammonium sulfamate (from garden supply stores)
V, and B if needed
K Stir liquids together
Smoke and fire
Brown to black
Trichloroethylene
Talc
T-D-D-D-D.
L
Put paste on trowel. Sprinkle crystals on top of paste. Apply to surface so crystals are in contact with block and paste is on outside
Soot and coal smoke
Black
Soap
Water
Pumice
A
Wood tar and smoke
Dense black
# 1.
Scouring powder
Water
A
M
Soak up fast and soon with poultice material until no free oil remains
# 2.
Sodium hypochlorite
F
# 1.
Calcium chloride
Water
D
Tobacco
Brown
# 2.
Trisodium phosphate 2 lb
Water 5 qt
G-X
N
Scrape any solidified matter off surface
# 3.
Talc
D-D-DE-B
O
Let harden. Remove large particles with trowel, putty knife or chisel
Wood rot
Chocolate
# 1.
Glycerine 1 part
Water 4 parts
A
# 2.
Trichloroethylene
Talc
T-D-D-D-D
P
Let stand. Remove with scraper and wire brush.
* Numbers indicate that materials are to be used in sequence
R
Allow to age three days
S
Absorb with soft cloth or paper towels, then scrub vigorously with paper towels
T Provide thorough ventilation
V
Follow manufacturer's directions
X
Pour into paste and mix